package sword.T32;

import util.ListUtil;
import util.TreeNode;
import util.TreeUtil;

/**
 * @Author: duyuzhou
 * @Create: 2022-04-07 16:33:50 星期四
 */
public class M32_1 {
    public static void main(String[] args) {
        TreeNode root = TreeUtil.deserialize("[3,9,20,null,null,15,7]");
        ListUtil.printIntArray(new Solution().levelOrder(root));
    }
}
